299
FNUS75 KSLC 091125
FWSSLC
SPOT FORECAST FOR NEW CANYON...USFS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
525 AM MDT THU OCT 9 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 MDT ON OCTOBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
TROPICAL MOISTURE MOVING NORTHWARD INTO UTAH WILL
BRING INCREASING CLOUDS AS WELL AS AN INCREASING THREAT OF SHOWERS
AND THUNDERSTORMS. SCATTERED SHOWERS AND THUNDERSTORMS WILL
DEVELOP IN THE VICINITY OF THE BURN THIS AFTERNOON, WITH GUSTY AND
ERRATIC WINDS ANTICIPATED NEAR ANY STORMS. PERIODS OF SHOWERS AND
THUNDERSTORMS WILL CONTINUE FRIDAY, THE DAY WHERE PRECIPITATION
WILL BE MOST WIDESPREAD, INTO SATURDAY DUE TO THE DEEP MOISTURE
SURGE AND HIGH LEVELS OF INSTABILITY. STORM TOTAL ACCUMULATIONS AT
THE BURN SITE ARE EXPECTED TO BE BETWEEN 0.5 AND 1.0 INCH THROUGH
THE WEEKEND. THERE IS A CHANCE OF LIGHT SNOW WITH THE PASSAGE OF A
COLD FRONT SATURDAY NIGHT, WITH UP TO TWO INCHES OF ACCUMULATION
POSSIBLE.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER) THEN
BECOMING PARTLY CLOUDY (50-60 PERCENT CLOUD
COVER). SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
CWR.................20 PERCENT.
CHANCE OF PCPN......30 PERCENT.
CHANCE OF LIGHTNING.25 PERCENT.
MAX TEMPERATURE.....55-59.
MIN HUMIDITY........42-46 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 8-12 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS IN THE
AFTERNOON.
MIXING HEIGHT.......4000 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
TRANSPORT WINDS.....SOUTH WINDS 12-18 MPH.
CLEARING INDEX......700.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT CLOUD COVER).
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING, THEN RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS OVERNIGHT.
CWR.................60 PERCENT.
CHANCE OF PCPN......70 PERCENT.
CHANCE OF LIGHTNING.25 PERCENT.
MIN TEMPERATURE.....42-46.
MAX HUMIDITY........96-100 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5-10 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....SOUTHEAST WINDS 12-18 MPH.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (90-100 PERCENT CLOUD COVER).
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
RAIN SHOWERS THROUGH THE DAY. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
CWR.................70 PERCENT.
CHANCE OF PCPN......90 PERCENT.
CHANCE OF LIGHTNING.25 PERCENT.
MAX TEMPERATURE.....46-50.
MIN HUMIDITY........96-100 PERCENT.
WIND (20 FT)........SOUTH WINDS 5-10 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......800 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
TRANSPORT WINDS.....SOUTH WINDS 10-15 MPH.
CLEARING INDEX......240.
FORECASTER...TRAPHAGAN
REQUESTED BY...KYLER HATCH
TYPE OF REQUEST...PRESCRIBED
.TAG 2523051.2/SLC
.DELDT 10/09/25
.FORMATTERVERSION 2.0.0
.EMAIL KYLER.HATCH@USDA.GOV,JOHN.D.PELL@USDA.GOV,RONALD.SORENSON@USDA.GOV
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